Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
18292007Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
17560326731030.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2025-09-14Michel YamagishiBF6281CB5C3D71DC1772848353
History
DateUserTypeResult
2025-09-14ikeCERT
PRP Certification
Proof certified good
2025-09-14Michel YamagishiC-PRP
M18292007/1756032673 : BF6281CB5C3D71DC
PRP proof power = 8
PRP: Verified
Proof certified good
2025-09-08nordiNF-PM1
B1=500000, B2=261614430